<ul> <li>Engineered stretch knit upper</li> <li>Improves comfort around your foot</li> <li>Knit heel pull tab</li> <li>This comfortable heel tab makes the shoe easier and more comfortable to put on and take off.</li> <li>4D GUIDANCE SYSTEM™ feature</li> <li>A dynamic pod designed to intuitively respond under excessive load. This response provides stability and comfort for the duration of a run.</li> <li>3D SPACE CONSTRUCTION™ feature</li> <li>Allows runners to improve compression at footstrike while catering to the gait differences between runners. It helps runners engage better with the foam while providing a softer feel underfoot.</li> <li>Rearfoot PureGEL™ technology</li> <li>Softer, updated version of our GEL® technology. Approximately 65% softer vs standard GEL® technology.</li> <li>FF BLAST™ PLUS cushioning</li> <li>Midsole foam that provides a blend of cloud like cushioning and a responsive ride that is lighter than FF BLAST™ Technology.</li> <li>OrthoLite™ X-55 sockliner</li> <li>Premium sockliner that provides cushioning performance and moisture management for a cooler, dryer environment.</li> <li>Reflective details</li> <li>Designed to help improve visibility in low-light conditions</li> <li>HYBRID ASICSGRIP™ outsole</li> <li>Combines ASICSGRIP™ rubber and AHARPLUS™ materials to help provide advanced grip for various terrains and advanced durability</li> </ul>